For the Inventor, By the Inventor

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Longmont, CO, United States of America

Miniscribe Corporation

USPTO Granted Patents = 19

CIPO Patents = 1

Forward Citations = 431

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36 inventors (with patents filed for the assignee):

James Joseph Touchton (2 out of 23 patents)

Walter Wong (2 out of 37 patents)

Daniel R Zaharris (2 out of 9 patents)

4. John Jay Freeman (2 out of 5 patents)

5. Raymond E Sarraf (2 out of 2 patents)

6. William Repphun (2 out of 5 patents)

7. Roy A Applequist (2 out of 2 patents)

8. Richard M Altobellis (2 out of 2 patents)

9. Robert F Hoppe (2 out of 2 patents)

10. Christopher Anthony Pollard (1 out of 27 patents)

11. Louis J Shrinkle (1 out of 26 patents)

12. Richard W Morris (1 out of 3 patents)

13. John P Squires (1 out of 19 patents)

14. Todd David Baumann (1 out of 6 patents)

15. Richard Rupp (1 out of 1 patent)

19 patents: Sort by Forward Citations

1. 5023736 - Magnetic latch for disk drive actuator (1991-06-11),

2. 5012371 - Disk drive crash stop/actuator latch (1991-04-30),

3. 4967291 - Method and apparatus for preventing an over-velocity error condition of (1990-10-30),

4. 4956831 - Low acoustic noise head actuator (1990-09-11),

5. 4949206 - Crash stop for rotary disk drive actuator (1990-08-14),

6. 4924337 - Disk drive servo shield (1990-05-08),

7. 4922169 - Method and apparatus for driving a brushless motor (1990-05-01),

8. 4903157 - Electromagnet-actuated head latching apparatus (1990-02-20),

9. 4878136 - Track crossing detector (1989-10-31),

10. 4870525 - Method of mounting flexure arms on a cast rotary actuator (1989-09-26),

11. 4868470 - Apparatus and method for detecting a true average of N signal samples (1989-09-19),

12. 4807054 - Transducer support assembly having laterally offset flexures (1989-02-21),

13. 4775908 - Moving magnet actuator (1988-10-04),

14. 4746997 - Method and apparatus for generating/detecting and address mark (1988-05-24),

15. 4658308 - Method and apparatus for retracting head and braking motor of a disc (1987-04-14),

Miniscribe Corporation was a manufacturer of disk drives founded in 1980. The company developed industry-leading technology for high-capacity hard drives in the 1980s before declaring bankruptcy in 1990 due to financial mismanagement and fraud. Despite its downfall, Miniscribe made significant contributions to the data storage industry.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

19 Patents

#15 in Longmont, CO

#350 in Colorado

#17,113 in US

#32,592 in the World

Longmont, CO, United States of America

Miniscribe Corporation

Forward Citations = 431

36 inventors:

James Joseph Touchton (2 out of 23 patents)

Walter Wong (2 out of 37 patents)

Daniel R Zaharris (2 out of 9 patents)

4. John Jay Freeman (2 out of 5 patents)

5. Raymond E Sarraf (2 out of 2 patents)

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